Freedson v. Commissioner ( 1975 )
McCoy v. Commissioner ( 1981 )
Norman E. McCoy and Mary Louise McCoy v. Commissioner of Internal Revenue ( 1983 )
Ralph Freedson v. Commissioner of Internal Revenue ( 1978 )
Asphalt Industries, Inc. v. Commissioner of Internal Revenue ( 1969 )
Welch v. Helvering ( 1933 )